The father-of-two added: "At one point, as I was run down a hallway to ICU (an intensive care unit) at midnight, with a massive needle jammed in my chest - bit like Pulp Fiction - I thought, 'This is it. How's this going to affect my kids' lives? Who's going to sit my poor dad down and say I'm sorry, we did everything we could'.

"But then I didn't die. And I didn't die because I'm on the NHS. Viva The NHS. See you for your 100th [birthday]. By which time I probably will have pneumonia."

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Bacon also told his followers: "This is how good Lewisham Hospital is.

"I walked in off the street simply complaining of being short of breath. Within 90 minutes they had placed me into a life-saving, six-day coma."

He began the day by tweeting more generally about love, quoting the late TV presenter Fred Rogers, saying: "We need to help people to discover the true meaning of love. Love is generally confused with dependence" and adding: "I'm learning this."

When comedian David Baddiel replied: "Very much hope this is actually you tweeting this. In which case, welcome back," Bacon joked: "Ha. I am alive. Or in Lewisham. Or somewhere between the two."

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Love Island presenter Caroline Flack was also among the celebrities wishing Bacon well on Twitter, writing: "So glad you're OK."

Last week the DJ and TV presenter's spokesman said he was "improving all the time".

The spokesman added: "This has been very difficult for everyone who loves Richard, all of whom appreciate the many messages of support which have been received, and there will be no further comment at this time."